Home / 11,857.23-17,796.61-6,315.28

Finding the Fourth Proportional to 11,857.23, 17,796.61 and 6,315.28

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Solution

The fourth proportional to 11,857.23, 17,796.61 and 6,315.28 is: 9,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,857.23 : 17,796.61 = 6,315.28 : x
  2. Step 2: Convert to fraction form
    11,857.23/17,796.61 = 6,315.28/x
  3. Step 3: Cross multiply
    11,857.23x = 17,796.61 × 6,315.28
  4. Step 4: Simplify right side
    11,857.23x = 112,390,575.20
  5. Step 5: Solve for x
    x = 112,390,575.20/11,857.23
  6. Step 6: Final answer
    x = 9,478.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.